Check your Data Execution Prevention (DEP) settings.

Click Start, click Run, type sysdm.cpl, and then click OK. (or right click My Computer and select properties)

2. On the Advanced tab, under Performance, click Settings.

3. On the Data Execution Prevention tab there are 2 options.

"Turn on DEP for essential Windows programs and services only"

"Turn on DEP for all programs and services except those I select"

check the first option "Turn on DEP for essential Windows programs and services only" and click apply.